1 /* $OpenBSD: m_cursor.c,v 1.9 2023/10/17 09:52:10 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright 2020,2021 Thomas E. Dickey * 5 * Copyright 1998-2009,2010 Free Software Foundation, Inc. * 6 * * 7 * Permission is hereby granted, free of charge, to any person obtaining a * 8 * copy of this software and associated documentation files (the * 9 * "Software"), to deal in the Software without restriction, including * 10 * without limitation the rights to use, copy, modify, merge, publish, * 11 * distribute, distribute with modifications, sublicense, and/or sell * 12 * copies of the Software, and to permit persons to whom the Software is * 13 * furnished to do so, subject to the following conditions: * 14 * * 15 * The above copyright notice and this permission notice shall be included * 16 * in all copies or substantial portions of the Software. * 17 * * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 25 * * 26 * Except as contained in this notice, the name(s) of the above copyright * 27 * holders shall not be used in advertising or otherwise to promote the * 28 * sale, use or other dealings in this Software without prior written * 29 * authorization. * 30 ****************************************************************************/ 31 32 /**************************************************************************** 33 * Author: Juergen Pfeifer, 1995,1997 * 34 ****************************************************************************/ 35 36 /*************************************************************************** 37 * Module m_cursor * 38 * Correctly position a menu's cursor * 39 ***************************************************************************/ 40 41 #include "menu.priv.h" 42 43 MODULE_ID("$Id: m_cursor.c,v 1.9 2023/10/17 09:52:10 nicm Exp $") 44 45 /*--------------------------------------------------------------------------- 46 | Facility : libnmenu 47 | Function : _nc_menu_cursor_pos 48 | 49 | Description : Return position of logical cursor to current item 50 | 51 | Return Values : E_OK - success 52 | E_BAD_ARGUMENT - invalid menu 53 | E_NOT_POSTED - Menu is not posted 54 +--------------------------------------------------------------------------*/ 55 MENU_EXPORT(int) 56 _nc_menu_cursor_pos(const MENU *menu, const ITEM *item, int *pY, int *pX) 57 { 58 if (!menu || !pX || !pY) 59 return (E_BAD_ARGUMENT); 60 else 61 { 62 if ((ITEM *)0 == item) 63 item = menu->curitem; 64 assert(item != (ITEM *)0); 65 66 if (!(menu->status & _POSTED)) 67 return (E_NOT_POSTED); 68 69 *pX = item->x * (menu->spc_cols + menu->itemlen); 70 *pY = (item->y - menu->toprow) * menu->spc_rows; 71 } 72 return (E_OK); 73 } 74 75 /*--------------------------------------------------------------------------- 76 | Facility : libnmenu 77 | Function : pos_menu_cursor 78 | 79 | Description : Position logical cursor to current item in menu 80 | 81 | Return Values : E_OK - success 82 | E_BAD_ARGUMENT - invalid menu 83 | E_NOT_POSTED - Menu is not posted 84 +--------------------------------------------------------------------------*/ 85 MENU_EXPORT(int) 86 pos_menu_cursor(const MENU *menu) 87 { 88 int x = 0, y = 0; 89 int err = _nc_menu_cursor_pos(menu, (ITEM *)0, &y, &x); 90 91 T((T_CALLED("pos_menu_cursor(%p)"), (const void *)menu)); 92 93 if (E_OK == err) 94 { 95 WINDOW *win = Get_Menu_UserWin(menu); 96 WINDOW *sub = menu->usersub ? menu->usersub : win; 97 98 assert(win && sub); 99 100 if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0)) 101 x += (menu->pindex + menu->marklen - 1); 102 103 wmove(sub, y, x); 104 105 if (win != sub) 106 { 107 wcursyncup(sub); 108 wsyncup(sub); 109 untouchwin(sub); 110 } 111 } 112 RETURN(err); 113 } 114 115 /* m_cursor.c ends here */ 116